CN204823829U - A energy -conserving motor for hoisting equipment - Google Patents
A energy -conserving motor for hoisting equipment Download PDFInfo
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- CN204823829U CN204823829U CN201520543376.7U CN201520543376U CN204823829U CN 204823829 U CN204823829 U CN 204823829U CN 201520543376 U CN201520543376 U CN 201520543376U CN 204823829 U CN204823829 U CN 204823829U
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Abstract
The utility model provides an energy -conserving motor for hoisting equipment, its characterized in that includes two direct current motor, dc speed regulation ware, motor excitation dynamic controller and energy storage unit, hoisting mechanism, direct current motor links to each other with hoisting mechanism, and direct current motor is used for controlling hoisting mechanism's rising or decline, every direct current motor forms by main motor and auxiliary motor, and two main motors adopt coaxial linking to each other, form coaxial configuration owner's motor, and two auxiliary motor adopt coaxial linking to each other, form coaxial configuration auxiliary motor, the dc speed regulation ware links to each other with coaxial configuration owner's motor, and the motor encourages dynamic controller's one end and coaxial configuration auxiliary motor continuous, and motor excitation dynamic controller's the other end and energy storage unit link to each other, and the energy storage unit has of the storage and releases the effect of electric energy, the utility model discloses utilize the energy storage unit to carry out recovery, storage and the cyclic utilization of potential energy, reach the energy saving, reduce use cost's purpose.
Description
Technical field
The present invention relates to machine field, particularly relate to a kind of energy-saving electric machine for weight-lifting equipment.
Background technology
Big machinery equipment manufacture industry entered Rapid development stage in recent years, and device type is numerous, and specification is numerous and diverse, and structure, mechanism's complexity are various.Moreover along with the fast development of China's economy, on large-scale engineering machinery, electric equipment gets more and more, and power consumption also increases day by day, the expansion of project scale, envoy's energy electric energy that is just bound to becomes the important content in heavy mechanical equipment design process.
Traditional main equipment, as weight-lifting equipment, needs motor to adopt multistage startup, normally could carry out work.Motor is under direct Starting mode, and starting current is 4 ~ 8 times of rated current, and detent torque is 0.5 ~ 1.5 times of torque rating.These features make motor belt motor load start the decline of ability, easy generation overload is damaged, excessive starting current also can bring very large rush of current to power supply grid simultaneously, causes the quality of power supply of electrical network to decline, affects the normal operation of other consumers of electrical network.But during existing weight-lifting equipment lifting mechanism heavy load descending, gravitional force can change electric energy into by motor, this part electric energy is consumed by resistance heating by most of elevator machinery, causes very big energy dissipation.Therefore, under realizing large load condition, steadily, failure-free starting outfit, the operating cost of minimizing equipment, the break down maintenance rate of reduction equipment, just need the energy-saving electric machine researching and developing a kind of recoverable weight-lifting equipment lifting mechanism potential energy, while energy-conservation, reduce electric motor starting electric current, guarantee the normal operation of motor device.
Simultaneously; in working environment residing for current weight-lifting equipment; on-the-spot goods dust is larger; and easily form serious corrosion; thus reducing the reliability of elevator machinery electric elements, causing trouble occurs, for reducing the probability that elevator machinery has an accident; just need the running state monitoring elevator machinery, increase the safety guard of elevator machinery.
Therefore, just need development one to have safety guard, and for the energy-saving electric machine of weight-lifting equipment.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of energy-saving electric machine for weight-lifting equipment, comprise DC machine, external source, DC speed regulator, motor energization dynamic controller, energy-storage units, described DC machine one end is connected with the lifting mechanism of weight-lifting equipment, the described DC machine other end is connected with described external source, described external source is used for providing electric energy for described DC machine work, and described DC machine is for controlling rising or the decline of lifting mechanism;
The quantity of described DC machine is two, DC machine described in every platform is by mair motor and auxiliary motor composition, and the mair motor of two described DC machine adopts coaxial being connected, and forms coaxial configuration mair motor, the auxiliary motor of two described DC machine adopts coaxial being connected, and forms coaxial configuration auxiliary motor;
Described DC speed regulator is connected with described coaxial configuration mair motor, described DC speed regulator is for controlling the work of described coaxial configuration mair motor, one end of described motor energization dynamic controller is connected with described coaxial configuration auxiliary motor, the other end of described motor energization dynamic controller is connected with described energy-storage units, described motor energization dynamic controller is for controlling the work of described coaxial configuration auxiliary motor, and described energy-storage units is used for storing and release electric energy.
Preferably, when described lifting mechanism declines, described DC speed regulator controls described coaxial configuration mair motor and does not work, described motor energization dynamic controller controls described coaxial configuration auxiliary motor work, potential energy when described lifting mechanism declines by described coaxial configuration auxiliary motor is electric energy, and by described electrical power storage to described energy-storage units.
Particularly, when described lifting mechanism rises, described coaxial configuration mair motor and described coaxial configuration auxiliary motor drive described lifting mechanism simultaneously; Described DC speed regulator controls described coaxial configuration mair motor work, electric energy in external source described in described coaxial configuration mair motor consumption in operation, described motor energization dynamic controller controls described coaxial configuration auxiliary motor work, the electric energy in energy-storage units described in described coaxial configuration auxiliary motor consumption in operation.
Alternatively, the weight-lifting equipment described in energy-saving electric machine also comprises safety guard.
Particularly, described safety guard comprises hoisting capacity overload protector, decline overspeed protection device.
Further, described decline overspeed protection device comprises speed sensor, annunciator, and described speed sensor is for identifying the rotating speed of described coaxial configuration auxiliary motor.
Particularly, described annunciator is phonetic alarm or combined aural and visual alarm.
Alternatively, described energy-storage units is super capacitor.
A kind of energy-saving electric machine for weight-lifting equipment of the present invention, has following beneficial effect:
1. every platform configuration DC motor that the present invention adopts all is made up of coaxial mair motor and auxiliary motor, when the lifting mechanism of weight-lifting equipment declines, coaxial main motor does not work, and controls coaxial auxiliary motor work, and is that electrical power storage is in storage element by potential energy; When the lifting mechanism of weight-lifting equipment rises, control coaxial main motor and auxiliary motor work simultaneously, the electric energy in auxiliary motor consumption in operation storage element.Such employing two is overlapped motor substep and is carried out work, breach in the past traditional energy-conservation thinking, the electric energy not feedback grid of the potential energy reclaimed, also do not merge with power-supply system, but carry out the recovery of potential energy, storage and recycle by a set of relatively independent electric system, reach economize energy, reduce the object of use cost.
2. by the coaxial auxiliary motor of configuration by the electric energy of potential energy converting and energy without the need to directly reclaiming through inversion, without inverter, simplify automatically controlled circuit, improve reliability and reduce manufacturing cost.High, that service life cycle is long, energy conversion efficiency the is high super capacitor of reliability is adopted to store the electric energy of recovery, be not feed back on national grid, pollution-free to electrical network, noiseless to other external equipment, energy is carried out clean storage, lifting mechanism is capable of self-circulating utilizes this energy, reduces equipment use cost.
3. by configuration coaxial auxiliary motor, the electric energy that super capacitor stores is converted to the common driver train of kinetic energy of kinetic energy and mair motor, being merging and the utilization of the energy of system recoveries, storage being carried out kinetic energy, is not convert kinetic energy again to after the energy of system recoveries, storage is carried out electric energy merging to utilize.Different kinetic energy merges easily, and utilize simple, system reliability is high, low cost of manufacture; Different electric energy merges difficulty, and utilize complicated, system reliability is low, and manufacturing cost is high.
4. the present invention installs safety guard additional on weight-lifting equipment, safety guard comprises hoisting capacity overload protector, decline overspeed protection device, hoisting capacity overload protector can lifting mechanism add loads overweight time, DC speed regulator controls coaxial configuration mair motor and quits work; Decline overspeed protection device can when described lifting mechanism descending speed hypervelocity, and motor energization dynamic controller controls described coaxial configuration auxiliary motor and quits work, and sends alerting signal by annunciator, prevents the loss that the too fast initiation of descending speed is unnecessary.
5. the energy-saving electric machine of a kind of recoverable weight-lifting equipment lifting mechanism potential energy provided by the invention, electric motor starting electric current is reduced while energy-conservation, guarantee the normal operation of motor device, achieve under large load condition, steadily, failure-free starting outfit, decrease the operating cost of equipment, reduce the break down maintenance rate of equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of a kind of energy-saving electric machine for weight-lifting equipment that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Embodiment one:
In order to solve the problems of the technologies described above, the invention provides a kind of energy-saving electric machine for weight-lifting equipment, comprise DC machine, external source, DC speed regulator, motor energization dynamic controller, energy-storage units, described DC machine one end is connected with the lifting mechanism of weight-lifting equipment, the described DC machine other end is connected with described external source, described external source is used for providing electric energy for described DC machine work, and described DC machine is for controlling rising or the decline of lifting mechanism;
The quantity of described DC machine is two, DC machine described in every platform is by mair motor and auxiliary motor composition, and the mair motor of two described DC machine adopts coaxial being connected, and forms coaxial configuration mair motor, the auxiliary motor of two described DC machine adopts coaxial being connected, and forms coaxial configuration auxiliary motor;
Described DC speed regulator is connected with described coaxial configuration mair motor, described DC speed regulator is for controlling the work of described coaxial configuration mair motor, one end of described motor energization dynamic controller is connected with described coaxial configuration auxiliary motor, the other end of described motor energization dynamic controller is connected with described energy-storage units, described motor energization dynamic controller is for controlling the work of described coaxial configuration auxiliary motor, and described energy-storage units is used for storing and release electric energy.
Preferably, when described lifting mechanism declines, described DC speed regulator controls described coaxial configuration mair motor and does not work, described motor energization dynamic controller controls described coaxial configuration auxiliary motor work, potential energy when described lifting mechanism declines by described coaxial configuration auxiliary motor is electric energy, and by described electrical power storage to described energy-storage units.
Particularly, when described lifting mechanism rises, described coaxial configuration mair motor and described coaxial configuration auxiliary motor drive described lifting mechanism simultaneously; Described DC speed regulator controls described coaxial configuration mair motor work, electric energy in external source described in described coaxial configuration mair motor consumption in operation, described motor energization dynamic controller controls described coaxial configuration auxiliary motor work, the electric energy in energy-storage units described in described coaxial configuration auxiliary motor consumption in operation.
Alternatively, the weight-lifting equipment described in energy-saving electric machine also comprises safety guard.
Particularly, described safety guard comprises hoisting capacity overload protector, decline overspeed protection device.
Further, described decline overspeed protection device comprises speed sensor, annunciator, and described speed sensor is for identifying the rotating speed of described coaxial configuration auxiliary motor.
Particularly, described annunciator is phonetic alarm.
Alternatively, described energy-storage units is super capacitor.
Below the principle of work of a kind of energy-saving electric machine for weight-lifting equipment provided by the invention is further elaborated:
The present invention forms coaxial configuration mair motor and coaxial configuration auxiliary motor by two cover configuration DC machine, when the lifting mechanism of weight-lifting equipment declines, control coaxial configuration mair motor not work, only coaxial configuration auxiliary motor work, and be that electrical power storage is in storage element by the potential energy of decline; When the lifting mechanism of weight-lifting equipment rises, control the work of coaxial configuration mair motor, consume the electric energy in external source, also the work of coaxial configuration auxiliary motor is controlled, consume the electric energy in storage element, the consumable Conversion of Energy of indirect martial arts is the kinetic energy of lifting mechanism, so like this circulation, just constitutes the system that a set of relatively independent weight-lifting equipment motor potential energy is recycled.
The safety guard installed additional in the present invention; there is hoisting capacity overload protector, decline overspeed protection device; when lifting mechanism rises; overload protector detects that weight is overweight; DC speed regulator controls DC machine and quits work; for the protection of weight-lifting equipment; when lifting mechanism declines; speed sensor in decline overspeed protection device recognizes descending speed hypervelocity; speed signal is passed to annunciator and motor energization dynamic controller; annunciator sends alerting signal, and simultaneously motor energization dynamic controller controls coaxial configuration auxiliary motor and quits work.
A kind of energy-saving electric machine for weight-lifting equipment of the present invention, has following beneficial effect:
1. every platform configuration DC motor that the present invention adopts all is made up of coaxial mair motor and auxiliary motor, when the lifting mechanism of weight-lifting equipment declines, coaxial main motor does not work, and controls coaxial auxiliary motor work, and is that electrical power storage is in storage element by potential energy; When the lifting mechanism of weight-lifting equipment rises, control coaxial main motor and auxiliary motor work simultaneously, the electric energy in auxiliary motor consumption in operation storage element.Such employing two is overlapped motor substep and is carried out work, breach in the past traditional energy-conservation thinking, the electric energy not feedback grid of the potential energy reclaimed, also do not merge with power-supply system, but carry out the recovery of potential energy, storage and recycle by a set of relatively independent electric system, reach economize energy, reduce the object of use cost.
2. by the coaxial auxiliary motor of configuration by the electric energy of potential energy converting and energy without the need to directly reclaiming through inversion, without inverter, simplify automatically controlled circuit, improve reliability and reduce manufacturing cost.High, that service life cycle is long, energy conversion efficiency the is high super capacitor of reliability is adopted to store the electric energy of recovery, be not feed back on national grid, pollution-free to electrical network, noiseless to other external equipment, energy is carried out clean storage, lifting mechanism is capable of self-circulating utilizes this energy, reduces equipment use cost.
3. by configuration coaxial auxiliary motor, the electric energy that super capacitor stores is converted to the common driver train of kinetic energy of kinetic energy and mair motor, being merging and the utilization of the energy of system recoveries, storage being carried out kinetic energy, is not convert kinetic energy again to after the energy of system recoveries, storage is carried out electric energy merging to utilize.Different kinetic energy merges easily, and utilize simple, system reliability is high, low cost of manufacture; Different electric energy merges difficulty, and utilize complicated, system reliability is low, and manufacturing cost is high.
4. the present invention installs safety guard additional on weight-lifting equipment, safety guard comprises hoisting capacity overload protector, decline overspeed protection device, hoisting capacity overload protector can lifting mechanism add loads overweight time, DC speed regulator controls coaxial configuration mair motor and quits work; Decline overspeed protection device can when described lifting mechanism descending speed hypervelocity, and motor energization dynamic controller controls described coaxial configuration auxiliary motor and quits work, and sends alerting signal by annunciator, prevents the loss that the too fast initiation of descending speed is unnecessary.
5. the energy-saving electric machine of a kind of recoverable weight-lifting equipment lifting mechanism potential energy provided by the invention, electric motor starting electric current is reduced while energy-conservation, guarantee the normal operation of motor device, achieve under large load condition, steadily, failure-free starting outfit, decrease the operating cost of equipment, reduce the break down maintenance rate of equipment.
Embodiment two:
In order to solve the problems of the technologies described above, the invention provides a kind of energy-saving electric machine for weight-lifting equipment, comprise DC machine, external source, DC speed regulator, motor energization dynamic controller, energy-storage units, described DC machine one end is connected with the lifting mechanism of weight-lifting equipment, the described DC machine other end is connected with described external source, described external source is used for providing electric energy for described DC machine work, and described DC machine is for controlling rising or the decline of lifting mechanism;
The quantity of described DC machine is two, DC machine described in every platform is by mair motor and auxiliary motor composition, and the mair motor of two described DC machine adopts coaxial being connected, and forms coaxial configuration mair motor, the auxiliary motor of two described DC machine adopts coaxial being connected, and forms coaxial configuration auxiliary motor;
Described DC speed regulator is connected with described coaxial configuration mair motor, described DC speed regulator is for controlling the work of described coaxial configuration mair motor, one end of described motor energization dynamic controller is connected with described coaxial configuration auxiliary motor, the other end of described motor energization dynamic controller is connected with described energy-storage units, described motor energization dynamic controller is for controlling the work of described coaxial configuration auxiliary motor, and described energy-storage units is used for storing and release electric energy.
Preferably, when described lifting mechanism declines, described DC speed regulator controls described coaxial configuration mair motor and does not work, described motor energization dynamic controller controls described coaxial configuration auxiliary motor work, potential energy when described lifting mechanism declines by described coaxial configuration auxiliary motor is electric energy, and by described electrical power storage to described energy-storage units.
Particularly, when described lifting mechanism rises, described coaxial configuration mair motor and described coaxial configuration auxiliary motor drive described lifting mechanism simultaneously; Described DC speed regulator controls described coaxial configuration mair motor work, electric energy in external source described in described coaxial configuration mair motor consumption in operation, described motor energization dynamic controller controls described coaxial configuration auxiliary motor work, the electric energy in energy-storage units described in described coaxial configuration auxiliary motor consumption in operation.
Alternatively, the weight-lifting equipment described in energy-saving electric machine also comprises safety guard.
Particularly, described safety guard comprises hoisting capacity overload protector, decline overspeed protection device.
Further, described decline overspeed protection device comprises speed sensor, annunciator, and described speed sensor is for identifying the rotating speed of described coaxial configuration auxiliary motor.
Particularly, described annunciator is combined aural and visual alarm.
Alternatively, described energy-storage units is super capacitor.
Below the principle of work of a kind of energy-saving electric machine for weight-lifting equipment provided by the invention is further elaborated:
The present invention forms coaxial configuration mair motor and coaxial configuration auxiliary motor by two cover configuration DC machine, when the lifting mechanism of weight-lifting equipment declines, control coaxial configuration mair motor not work, only coaxial configuration auxiliary motor work, and be that electrical power storage is in storage element by the potential energy of decline; When the lifting mechanism of weight-lifting equipment rises, control the work of coaxial configuration mair motor, consume the electric energy of external source, also the work of coaxial configuration auxiliary motor is controlled, consume the electric energy in storage element, the consumable Conversion of Energy of indirect martial arts is the kinetic energy of lifting mechanism, so like this circulation, just constitutes the system that a set of relatively independent weight-lifting equipment motor potential energy is recycled.
The safety guard installed additional in the present invention; there is hoisting capacity overload protector, decline overspeed protection device; when lifting mechanism rises; overload protector detects that weight is overweight; DC speed regulator controls DC machine and quits work; for the protection of weight-lifting equipment; when lifting mechanism declines; speed sensor in decline overspeed protection device recognizes descending speed hypervelocity; speed signal is passed to annunciator and motor energization dynamic controller; annunciator sends alerting signal, and simultaneously motor energization dynamic controller controls coaxial configuration auxiliary motor and quits work.
A kind of energy-saving electric machine for weight-lifting equipment of the present invention, has following beneficial effect:
1. every platform configuration DC motor that the present invention adopts all is made up of coaxial mair motor and auxiliary motor, when the lifting mechanism of weight-lifting equipment declines, coaxial main motor does not work, and controls coaxial auxiliary motor work, and is that electrical power storage is in storage element by potential energy; When the lifting mechanism of weight-lifting equipment rises, control coaxial main motor and auxiliary motor work simultaneously, the electric energy in auxiliary motor consumption in operation storage element.Such employing two is overlapped motor substep and is carried out work, breach in the past traditional energy-conservation thinking, the electric energy not feedback grid of the potential energy reclaimed, also do not merge with power-supply system, but carry out the recovery of potential energy, storage and recycle by a set of relatively independent electric system, reach economize energy, reduce the object of use cost.
2. by the coaxial auxiliary motor of configuration by the electric energy of potential energy converting and energy without the need to directly reclaiming through inversion, without inverter, simplify automatically controlled circuit, improve reliability and reduce manufacturing cost.High, that service life cycle is long, energy conversion efficiency the is high super capacitor of reliability is adopted to store the electric energy of recovery, be not feed back on national grid, pollution-free to electrical network, noiseless to other external equipment, energy is carried out clean storage, lifting mechanism is capable of self-circulating utilizes this energy, reduces equipment use cost.
3. by configuration coaxial auxiliary motor, the electric energy that super capacitor stores is converted to the common driver train of kinetic energy of kinetic energy and mair motor, being merging and the utilization of the energy of system recoveries, storage being carried out kinetic energy, is not convert kinetic energy again to after the energy of system recoveries, storage is carried out electric energy merging to utilize.Different kinetic energy merges easily, and utilize simple, system reliability is high, low cost of manufacture; Different electric energy merges difficulty, and utilize complicated, system reliability is low, and manufacturing cost is high.
4. the present invention installs safety guard additional on weight-lifting equipment, safety guard comprises hoisting capacity overload protector, decline overspeed protection device, hoisting capacity overload protector can lifting mechanism add loads overweight time, DC speed regulator controls coaxial configuration mair motor and quits work; Decline overspeed protection device can when described lifting mechanism descending speed hypervelocity, and motor energization dynamic controller controls described coaxial configuration auxiliary motor and quits work, and sends alerting signal by annunciator, prevents the loss that the too fast initiation of descending speed is unnecessary.
5. the energy-saving electric machine of a kind of recoverable weight-lifting equipment lifting mechanism potential energy provided by the invention, electric motor starting electric current is reduced while energy-conservation, guarantee the normal operation of motor device, achieve under large load condition, steadily, failure-free starting outfit, decrease the operating cost of equipment, reduce the break down maintenance rate of equipment.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (6)
1. the energy-saving electric machine for weight-lifting equipment, it is characterized in that, comprise DC machine, external source, DC speed regulator, motor energization dynamic controller, energy-storage units, described DC machine one end is connected with the lifting mechanism of weight-lifting equipment, the described DC machine other end is connected with described external source, described external source is used for providing electric energy for described DC machine work, and described DC machine is for controlling rising or the decline of lifting mechanism;
The quantity of described DC machine is two, DC machine described in every platform is by mair motor and auxiliary motor composition, and the mair motor of two described DC machine adopts coaxial being connected, and forms coaxial configuration mair motor, the auxiliary motor of two described DC machine adopts coaxial being connected, and forms coaxial configuration auxiliary motor;
Described DC speed regulator is connected with described coaxial configuration mair motor, described DC speed regulator is for controlling the work of described coaxial configuration mair motor, one end of described motor energization dynamic controller is connected with described coaxial configuration auxiliary motor, the other end of described motor energization dynamic controller is connected with described energy-storage units, described motor energization dynamic controller is for controlling the work of described coaxial configuration auxiliary motor, and described energy-storage units is used for storing and release electric energy.
2. a kind of energy-saving electric machine for weight-lifting equipment according to claim 1, is characterized in that, described in there is energy-saving electric machine weight-lifting equipment also comprise safety guard.
3. a kind of energy-saving electric machine for weight-lifting equipment according to claim 2, is characterized in that, described safety guard comprises hoisting capacity overload protector, decline overspeed protection device.
4. a kind of energy-saving electric machine for weight-lifting equipment according to claim 3, is characterized in that, described decline overspeed protection device comprises speed sensor, annunciator, and described speed sensor is for identifying the rotating speed of described coaxial configuration auxiliary motor.
5. a kind of energy-saving electric machine for weight-lifting equipment according to claim 4, is characterized in that, described annunciator is phonetic alarm or combined aural and visual alarm.
6. according to a kind of energy-saving electric machine for weight-lifting equipment in claim 3-5 described in any one, it is characterized in that, described energy-storage units is super capacitor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543376.7U CN204823829U (en) | 2015-07-25 | 2015-07-25 | A energy -conserving motor for hoisting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543376.7U CN204823829U (en) | 2015-07-25 | 2015-07-25 | A energy -conserving motor for hoisting equipment |
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| CN204823829U true CN204823829U (en) | 2015-12-02 |
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| CN201520543376.7U Expired - Fee Related CN204823829U (en) | 2015-07-25 | 2015-07-25 | A energy -conserving motor for hoisting equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967372A (en) * | 2015-07-25 | 2015-10-07 | 响水县智诚知识产权信息服务有限公司 | Energy-saving motor for hoisting equipment |
| CN112010178A (en) * | 2020-08-31 | 2020-12-01 | 湖南三一中型起重机械有限公司 | Power take-off control system, method and device, electronic equipment and storage medium |
-
2015
- 2015-07-25 CN CN201520543376.7U patent/CN204823829U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967372A (en) * | 2015-07-25 | 2015-10-07 | 响水县智诚知识产权信息服务有限公司 | Energy-saving motor for hoisting equipment |
| CN112010178A (en) * | 2020-08-31 | 2020-12-01 | 湖南三一中型起重机械有限公司 | Power take-off control system, method and device, electronic equipment and storage medium |
| CN112010178B (en) * | 2020-08-31 | 2022-08-02 | 湖南三一中型起重机械有限公司 | Power take-off control system, method and device, electronic equipment and storage medium |
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